Will they squeal, or will they just snap?
Or, which is most common?
Or, which is most common?
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30.0 MPG, AC on, aggressively driving around 90.
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Originally posted by Tippey764Originally posted by deevergote -
when they squel that means they are loose..do a visual inspection on it for cracks or dry rott.but they usually tend to just snap. -
Sometimes they'll shred from being rubbed by the lip of the pulley. Either way they need to be replaced.My Members' Ride Thread - It's a marathon build, not a sprint. But keep me honest on the update frequency!Comment
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I've had worn belts squeal or make an annoying chirp every rotation.
Belts will also shred or rip. Once they get a shred or rip in them, they'll be more likely to snap. This is why it is important to visually inspect your timing belt at service intervals like oil changes.
I've only ever had one belt snap on me and it was the water pump belt on my Contour. The water pump actually seized up and the pulley stopped turning and the crank kept turning the belt til either it overheated and snapped or came off and caught something in the engine bay. When I pulled over and popped the hood, there was coolant everywhere under the hood and my belt looked like an exploded tire.Comment
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squealing seems to be pretty common. even new belts will squeal after a little bit because they will stretch and need to be readjusted. cheap belts will just squeal sometimes too.
if your belt is shredding something bad may be happening, like a pulley's bearings being used up and the pulley tilting. this lets the belt rub, like stated above, and eventually it will all be shredded off. happened to me on my diesel truck last year or so. it had a tensioner though and the bushing in it was wore out.'94 CD5 EX F22B1 AutomaticComment
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Here's a crappy pic showing an accessory belt with a rip in it. Look closely and you'll see about an 1/8" into the belt is a nice long rip in the belt. It looks as if the pulley groove has worn through the belt.
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I guess it all depends on the situation. A friend of mine has a 91 civic sedan and her alternator belt broke just the other day. She said she hadn't started it in about a year and when she did the alternator pulley was seized causing the belt to rub itself to death on the pulley. She said it was pouring smoke and she thought the car was on fire. AwesomeComment
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